Severance and Other Charges (Tables)

9 Months Ended

Sep. 30, 2017

Restructuring and Related Activities [Abstract]

Schedule of severance and other charges

Severance and other charges consist of employee severance expense and lease exit costs, and the following summarizes the activity (in thousands):

	Severance			Lease Exit Costs		Total
December 31, 2015	$	1,092		$	—	$	1,092
Provision	791			570		1,361
Payments	(1,000		)	—		(1,000		)
September 30, 2016	$	883		$	570	$	1,453

	Severance			Lease Exit Costs			Total
December 31, 2016	$	718		$	1,020		$	1,738
Provision (reversals)	235			(619		)	(384		)
Payments	(576		)	(386		)	(962		)
September 30, 2017	$	377		$	15		$	392